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InitialsDiceBearhttps://github.com/dicebear/dicebearhttps://creativecommons.org/publicdomain/zero/1.0/„Initials” (https://github.com/dicebear/dicebear) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)QJ
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3
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1,196
Joined
2 yr. ago

  • Super cool. Chemical fuels (hydrocarbons or even plant oils) have ridiculous energy density, which is nice for e.g. cars but absolutely crucial for fast, long-range air travel. I don't think we'll be saying goodbye to jet engines for a long time, and it's awesome that we have ways of making fuel in a somewhat sustainable fashion.

    The US Navy has experimented with this, but I think the idea is to use nuclear power instead of solar energy. Makes sense for an aircraft carrier with a big reactor and thirsty jets.

  • I have an old (probably '60s) hifi amp. It's awesome. Replaced the selenium rectifier with silicon, replaced a few caps, and put fresh tubes in it.

    It sounds...basically the same as modern solid state stuff to my untrained ear. It's pretty cool that in a sense we "solved" the problem of amplification back then. Most of the speakers of the day were probably complete crap by today's standards (unless you had something upscale like a pair of AR-3s), but a well designed amplifier from the era holds up well.

  • France made a big mistake to go all in.

    Not only does Germany import electricity from France (which comes from...?), but Germany has (according to this) a substantially higher carbon footprint per capita.

    If the only issue is cost and projects taking longer than expected, isn't that a good tradeoff for carbon neutral power?

    And yes, of course, I would prefer renewables, you would prefer renewables, we all would. But it's somewhat disingenuous to decry the use of nuclear, advocate for renewables, and at the same time, rely heavily on coal, as Germany does (or at the very least, did recently.

  • AFAIK in the USA, nuclear energy is the safest per unit energy generated. Solar is more "dangerous" simply because you can fall off a roof.

    Nuclear energy has huge risks and potential for safety issues, yes. But sticking to the numbers, it is extremely safe.

  • Completely agree.

    The Wikipedia article itself has this to say:

    Extinguish: When extensions become a de facto standard because of their dominant market share, they marginalize competitors who are unable to support the new extensions.

    By that logic Lemmy/Mastodon/fediverse are already extinguished. Those of us in the fediverse are already "marginalized" wrt Twitter/Threads/Facebook/whatever.

    There are very good reasons to hate Meta, but personally, I think EEE isn't the biggest issue.